[Users] Storage server

[Itamar Heim]

On 02/06/2014 05:16 AM, Koen Vanoppen wrote:
> It's not on DNS... The storage server in ovirt is on IP... So... What
> are my options in this case?

you would need to 'edit the connection'. since 3.3.1 this is possible 
via the rest api without hacking the db:
http://www.ovirt.org/Features/Manage_Storage_Connections

> Thanx!
>
> Kind regards,
> Koen
>
> On Feb 5, 2014 9:08 AM, "Itamar Heim" <iheim at redhat.com
> <mailto:iheim at redhat.com>> wrote:
>
>     On 02/04/2014 03:10 PM, Elad Ben Aharon wrote:
>
>         Actually, the best way to do it would be to create another
>         storage domain and migrate all the VMs's disks to it (you can do
>         it while the VMs are running), then you won't suffer from a down
>         time.
>
>
>     notice this will create a snapshot for your vms and may change them
>     from raw to qcow. also, this not supported for shared disks.
>
>         If you don't have the option to do so, the best way to do it
>         would be to shut down the VMs, put the storage domain to
>         'Maintenance' and then perform the storage server network
>         change. When the connection to the storage is fixed, activate
>         the domain and resume the VMs manually.
>
>
>     that's assuming the domain was added using dns and not ip address,
>     and that the dns expiration/caching on all hosts will notice the new
>     ip address.
>
>
>
>         ----- Original Message -----
>         From: "Koen Vanoppen" <vanoppen.koen at gmail.com
>         <mailto:vanoppen.koen at gmail.com>>
>         To: "Elad Ben Aharon" <ebenahar at redhat.com
>         <mailto:ebenahar at redhat.com>>, users at ovirt.org
>         <mailto:users at ovirt.org>
>         Sent: Tuesday, February 4, 2014 2:57:57 PM
>         Subject: Re: [Users] Storage server
>
>         For the moment, nothing is going on. The change is planned on
>         Thursday. So,
>         correct me if I'm wrong, you say that the fastest and easiest
>         way is to
>         suspend all the machines, make the change of the storage server,
>         rediscover
>         the iscsi server and then bring the vm's back up?
>
>         Kind regards,
>         Koen
>         On Feb 4, 2014 1:47 PM, "Elad Ben Aharon" <ebenahar at redhat.com
>         <mailto:ebenahar at redhat.com>> wrote:
>
>             Hi,
>
>             I suppose that those VMs are now in 'Paused' state, correct
>             me if I'm
>             wrong.
>             After connectivity with storage comes back, all VMs which
>             couldn't detect
>             their disks should be resumed from 'Paused' to 'Up' state
>             automatically. It
>             shouldn't take them a long time to change their state (a few
>             minutes).
>
>             ----- Original Message -----
>             From: "Koen Vanoppen" <vanoppen.koen at gmail.com
>             <mailto:vanoppen.koen at gmail.com>>
>             To: users at ovirt.org <mailto:users at ovirt.org>
>             Sent: Tuesday, February 4, 2014 2:32:46 PM
>             Subject: [Users] Storage server
>
>             Dear All,
>
>             At work, the network guys have come to a discovery that they
>             have made a
>             mistake in their network configuration... The Storage server
>             that we use as
>             ISCSI target in oVirt, is in the wrong VLAN, so the wrong IP
>             address...
>
>             What is the best way to make sure that all of our vms (40)
>             that are using
>             this scsi storage will come up again after the storage
>             server has changed
>             his ip?
>             What are the best steps to be taken...?
>             We are using oVirt Engine Version: 3.3.1-2.el6
>
>             Kind Regards,
>
>             Koen
>
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